Small (4 slices, 10" round, extra toppings +$0.99 each) | Medium (8 slices, 14" round, extra toppings +$1.39 each) | Large (12 Slice, 12x17 Half Sheet or 16" round | extra toppings +$1.79 each) | X-Large (20 slices, 18" x 18" 3/4 sheet, extra toppings +$1.99 each) | Sheet (32 slices, 18" x 25" full sheet, extra toppings +$2.99 each).